﻿using System;
class swicht
{
    static void Main()
    {
        {
            const int mauxanh = 1;
            const int maudo = 2;
            int chonmau = maudo;


            switch (chonmau)
            {
                case mauxanh:
                    Console.WriteLine("ban chon mau do");
                    break;
                case maudo:
                    Console.WriteLine("ban chon mau xanh");
                    break;
                default:
                    break;
            }
        }
    }
}
